I have seen a suggestion that if the engine was running lean that it would add extra heat load to the cooling system. Its possible if the mechanical mixture control was set lean and the oxygen sensor or Lambda control system was not working.

Its conceivable, but not too probable in my opinion.

To answer another question, I have my hood pad and I live in Texas and I have no overheating or over temperature symptoms described in this thread.

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I got too many cars!! Insurance eats me alive. Dave

78 Corvette Stingray - 3k
82 242 Turbo Volvo - Manual - 270k
86 300e 5 speed manual - 210k
87 420sel - 240k
89 560sl - 78k
91 420sel - 205k
91 560sel - 85k
94 GMC Suburban - 90k
97 Harley Davidson Heritage Softail - 25k
00 GMC Silverado 1 ton 30k